– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 am Wed 29 Jul Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 am Wed 29 Jul Local Time
Updates in:
Update imminent hr min s
Issued: 10 am Wed 29 Jul Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryMostly dry. Warm (max 25°C on Fri afternoon, min 12°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 9mm), mostly falling on Sat afternoon. Warm (max 22°C on Mon afternoon, min 10°C on Sat night). Wind will be generally light. | |||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | | | | | |  |  |  |  | | | | | | |
some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | light rain | mod. rain | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | clear | |
Cloud base (m) | 750 | 6700 | 9100 | 2200 | 600 | 2200 | 850 | 1900 | 2550 | |||||||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | 0.3 | 8 | 0.1 | 0.2 | 0.1 | — | — | — | — |
max °C | 17 | 21 | 17 | 18 | 21 | 18 | 21 | 25 | 21 | 16 | 14 | 12 | 14 | 17 | 14 | 18 | 22 | 18 |
min °C | 13 | 20 | 12 | 15 | 21 | 14 | 17 | 24 | 14 | 15 | 12 | 10 | 11 | 16 | 10 | 14 | 21 | 16 |
chill °C | 13 | 20 | 12 | 15 | 21 | 14 | 17 | 24 | 14 | 15 | 12 | 10 | 11 | 16 | 10 | 14 | 21 | 16 |
Freezing level m | 3700 | 3800 | 3850 | 3850 | 3900 | 4100 | 4250 | 4350 | 4100 | 3300 | 2600 | 2500 | 2800 | 2850 | 2800 | 3300 | 3500 | 3600 |
 | 5:37 | — | — | 5:37 | — | — | 5:39 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — |
 | — | — | 8:50 | — | — | 8:49 | — | — | 8:46 | — | — | 8:45 | — | — | 8:44 | — | — | 8:43 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Mostly dry. Warm (max 25°C on Fri afternoon, min 12°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 9mm), mostly falling on Sat afternoon. Warm (max 22°C on Mon afternoon, min 10°C on Sat night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.